Note that there are modern kits that are similar to this allowing making circuits by snapping parts together. For example the Elenco "Snapcircuits" system http

Note that there are modern kits that are similar to this allowing making circuits by snapping parts together. For example the Elenco "Snapcircuits" system https://elenco.com/snapcircuits/ https://elenco.com/snapcircuits/